From 3ce11f3a242c2287a14d5f5a4ae230b4c79beaaa Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 28 Aug 2026 13:48:39 +0100
Subject: Add <= and >= operators to Java AST

---
 .../compiler/output/lang/java/JavaWriter.java      |  6 +++++
 .../output/lang/java/ast/JavaBinaryOperator.java   |  2 ++
 .../compiler/output/lang/java/JavaWriterTests.java | 26 ++++++++++++++++++++++
 3 files changed, 34 insertions(+)

(limited to 'src')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
index 52c2db1..d2f46ad 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
@@ -792,9 +792,11 @@ public class JavaWriter implements AutoCloseable {
             case BITWISE_OR -> JavaPrecedence.BITWISE_INCLUSIVE_OR;
             case EQUAL_TO -> JavaPrecedence.EQUALITY;
             case GREATER_THAN -> JavaPrecedence.RELATIONAL;
+            case GREATER_THAN_OR_EQUAL -> JavaPrecedence.RELATIONAL;
             case LOGICAL_AND -> JavaPrecedence.LOGICAL_AND;
             case LEFT_SHIFT -> JavaPrecedence.SHIFT;
             case LESS_THAN -> JavaPrecedence.RELATIONAL;
+            case LESS_THAN_OR_EQUAL -> JavaPrecedence.RELATIONAL;
             case MULTIPLY -> JavaPrecedence.MULTIPLICATIVE;
             case NOT_EQUAL_TO -> JavaPrecedence.EQUALITY;
             case UNSIGNED_RIGHT_SHIFT -> JavaPrecedence.SHIFT;
@@ -830,8 +832,10 @@ public class JavaWriter implements AutoCloseable {
             case BITWISE_OR -> "|";
             case EQUAL_TO -> "==";
             case GREATER_THAN -> ">";
+            case GREATER_THAN_OR_EQUAL -> ">=";
             case LEFT_SHIFT -> "<<";
             case LESS_THAN -> "<";
+            case LESS_THAN_OR_EQUAL -> "<=";
             case LOGICAL_AND -> "&&";
             case MULTIPLY -> "*";
             case NOT_EQUAL_TO -> "!=";
@@ -853,8 +857,10 @@ public class JavaWriter implements AutoCloseable {
             case BITWISE_OR -> true;
             case EQUAL_TO -> true;
             case GREATER_THAN -> true;
+            case GREATER_THAN_OR_EQUAL -> true;
             case LEFT_SHIFT -> true;
             case LESS_THAN -> true;
+            case LESS_THAN_OR_EQUAL -> true;
             case LOGICAL_AND -> true;
             case MULTIPLY -> true;
             case NOT_EQUAL_TO -> true;
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
index d098691..5c96b0a 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
@@ -12,8 +12,10 @@ public enum JavaBinaryOperator {
     BITWISE_OR,
     EQUAL_TO,
     GREATER_THAN,
+    GREATER_THAN_OR_EQUAL,
     LEFT_SHIFT,
     LESS_THAN,
+    LESS_THAN_OR_EQUAL,
     LOGICAL_AND,
     MULTIPLY,
     NOT_EQUAL_TO,
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
index de39610..6ccf789 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
@@ -1459,6 +1459,19 @@ public class JavaWriterTests {
         assertThat(string, equalTo("x > 42"));
     }
 
+    @Test
+    public void binaryOperationGreaterThanOrEqual() throws IOException {
+        var java = new JavaBinaryOperation(
+            JavaBinaryOperator.GREATER_THAN_OR_EQUAL,
+            new JavaRef(JavaIdentifier.of("x")),
+            new JavaIntegerLiteral(42)
+        );
+
+        var string = write(writer -> writer.writeTopLevelExpression(java));
+
+        assertThat(string, equalTo("x >= 42"));
+    }
+
     @Test
     public void binaryOperationLeftShift() throws IOException {
         var java = JavaBinaryOperation.arbitrary()
@@ -1485,6 +1498,19 @@ public class JavaWriterTests {
         assertThat(string, equalTo("x < 42"));
     }
 
+    @Test
+    public void binaryOperationLessThanOrEqual() throws IOException {
+        var java = new JavaBinaryOperation(
+            JavaBinaryOperator.LESS_THAN_OR_EQUAL,
+            new JavaRef(JavaIdentifier.of("x")),
+            new JavaIntegerLiteral(42)
+        );
+
+        var string = write(writer -> writer.writeTopLevelExpression(java));
+
+        assertThat(string, equalTo("x <= 42"));
+    }
+
     @Test
     public void binaryOperationLogicalAnd() throws IOException {
         var java = new JavaBinaryOperation(
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